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Joy is training for a triathlon. She runs a distance of 2x miles, cycles a distance of (x2 + 7) miles, and swims a distance of (x - 2) miles. Which simplified expression is equivalent to the total distance,
answered
May 6, 2018
Mathematics
high-school
3
votes
112k
views
What is the unit rate for 822.6 km in 18 h?
answered
Apr 9, 2018
Mathematics
college
7
votes
4.8k
views
Anna's rug has side lengths of 4 feet and 9 feet. What is the area of Anna's rug?
answered
Feb 19, 2018
Mathematics
middle-school
3
votes
28.0k
views
A protostar forms when a ________ collapses under the force of gravity. A. white dwarf B. black dwarf C. nebula D. supernova ...?
answered
Nov 14, 2017
Physics
high-school
3
votes
65.9k
views
How many lines of symmetry
answered
Nov 10, 2017
Mathematics
middle-school
6
votes
42.1k
views
Calculate molality of a 2m aq solution of sodium chloride with density 1.35g/mol
answered
Oct 21, 2017
Chemistry
middle-school
4
votes
57.5k
views
I NEED HELP NOW I WILL DO ANYTHING The time it takes to drive to Joliet is 6 hours more than half the time it takes to drive to Davenport. It takes 8 hours to drive to Joliet. Which equation can be used
answered
Jun 12, 2017
Mathematics
middle-school
2
votes
139k
views
Which characteristic of fiction describes the passage, The Four Sisters by Charles Dickens (excerpt)? a. fantasy b. short story c. legend d. science fiction
answered
Jan 5, 2017
English
high-school
1
vote
135k
views
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